Shelf liner



FIG. 1 is a perspective view of an example shelf liner;

FIG. 2 is a front plan view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a right side plan view thereof, with the left side plan viewbeing a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showings of FIGS. 1-6 are for illustrative purposes onlyand form no part of the claimed design.

CLAIM The ornamental design for a shelf liner, as shown and described.